Re: [PATCH 2/2] ARM: dts: pfla02: add ksz9031 clock skew values

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Hi Shawn,

On 19-02-11 10:36, Shawn Guo wrote:
> On Mon, Feb 04, 2019 at 04:29:56PM +0100, Marco Felsch wrote:
> > From: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
> > 
> > The pfla02 SoM has a Micrel KSZ9031RNX ethernet phy connected to the FEC,
> > which needs RX and TX clock skew settings to compensate for differences
> > in line length. The skew values are taken from barebox commit
> > 4c65c20f1071 ("ARM: pfla02: Set new ethernet phy tx timings"), which
> > is based on patches originally provided by Phytec:
> > 
> >     TX_CLK line is approx. 54mm longer than other TX lines which adds
> >     a delay of 0.36ns. RGMII need a delay of min. 1.0ns. This mean we
> >     have to add a delay of 0.64ns. We choose 0.78 to have a little gap.
> >     This can be done by setting GTX pad skew value to 11100
> >     Also add a delay for the RX delay lines, needed for the Duallite
> >     variant.  => Set register 2.8 (RGMII Clock Pad Skew) to 0x039F.
> > 
> > Cc: Christian Hemp <c.hemp@xxxxxxxxx>
> > Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
> > Signed-off-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx>
> 
> Applied, thanks.

Thanks, for applying. Just for me, is something wrong with the first
patch?

Regards,
Marco



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